Section 9
TROUBLE SHOOTING
I. When Starting Trouble
A) Starter Motor does not operate
B) The armature is turning, but
the pinion does not mesh.
When switching on, the starter
armature turns until the pinion
is positively connected, and
then stops.
St a rte r m o t or co n t i nue s to
operate after the switch has
been released.
Pinion does not disengage
after the engine has started.
C ) E n g i n e d o e s n o t s t a r t
although the starter motor is
operating.
Cause
Key not inserted properly into main
line switch.
Battery not in order :
1. Inadequate charging condition.
2. Bad contact.
Starting switch damaged (the parts
are loose, the switch does not
engage, it is burnt out).
Solenoid switch in starter motor
stuck.
Th e s t ar t er m oto r ter mi n al or
brushes have body contact.
Carbon brushes of starter motor are
not in contact with the commutator,
stuck in their guide broken, oily or
dirty.
Excessive voltage drop in the lines,
dam a g ed lin e s o r l oos e l ine
connections.
Pi n i on o r rin g ge a r d am a g e d,
burns visible on the teeth.
1. Battery insufficiently charged.
2. Insufficient pressure of carbon
brushes.
3. Excessive voltage drop in the
lines.
Starting switch does not disengage.
Pinion or flywheel teeth are very
dirty or damaged : release spring
is weak or broken.
No fuel in the tank.
Engine is too cold.
Inadequate venting of fuel system.
Remedy
Insert Key correctly.
Ha ve ba t tery r echa r ged v ia a n
outside source of current.
Thoroughly clean battery and cable
terminals so that they are bright.
Replace starting switch.
Ha ve it rep a i r ed a t a u t h o r ised
dealers workshop.
Eliminate body contact.
Ch e c k , c l ean o r re p l ace c a rbon
brushes.
Check starter motor lines and their
connections.
smoothern burns.
Charge battery.
Ch e c k , c l an o r rep l a ce c a r bon
brushes.
Check lines and their connections.
Immediately disconnect starting cable
at battery or starter motor. Have
switch repaired or replaced or have
starter motor repaired.
Thoroughly clean or smoothen burr
at the flywheel toothing and pinion,
have starter motor repaired.
Refill tank. After filling a tank which
has been completely emptied, at first
vent the fuel system.
Follow the instruction for winter
operation. Vent system once more.
When doing so, Check the fuel pipes
for leaks and the filler for dirt.
Workshop Manual
S3.8 Engine
A030K288 (Issue 2)
01-2010
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